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Patent applications and USPTO patent grants for Jen; Tsai Chih.The latest application filed is for "sheet feeder with electrostatic dust-collecting function".
Patent | Date |
---|---|
Sheet feeder with electrostatic dust-collecting function Grant 7,634,205 - Jen December 15, 2 | 2009-12-15 |
Sheet feeder with electrostatic dust-collecting function App 20060222426 - Jen; Tsai Chih | 2006-10-05 |
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